Laser cutting machines can add a lot of value and bottom line profit to any machine shop. It can detail artwork fast and easy and make you look like a master design artist. It can cut or mark to create awe inspiring designs in wood and metal rather easily. Whatever your pc can display can be done almost as accurately. Laser cutting is of course also being used for industrial manufacturing applications, but today it is also emerging in many sophisticated small businesses, schools, and hobbyist maker shops. It is being become more popular to be use for cutting, boring, and engraving today. Laser cutting works by directing the output of a high-power laser and it usually though optics. It was used to drill holes in diamond dies the first production of laser cutting machine, and was made by the Western Electric Engineering Research Center.click here for more details.
There is advantage in laser cutting over the mechanical cutting it is include easier work holding and reduced contamination of work piece, because there will be no cutting edge that will contaminate the materials. Accuracy is better, because the laser beam is not wear during the process, and also it will minimize the chance of deforming the material that is being cut. Traditionally, there are some materials that were difficult or impossible to cut. There is also advantage in laser cutting over plasma cutting one of this is for being more accurate and uses less energy when cutting sheet metal. On the other hand, most of the industrial lasers cannot cut through the greater metal thickness, and the plasma can cut the greater metal thickness. for further details, visit : http://resources.parsons.edu/labs/laser-lab/
In laser cutting, there are three main types of lasers used. The CO2 laser, Nd-YAG, and the RF method.The CO2 laser is use for cutting, boring and engraving, it is quiet similar in style with the Nd-YAG lasers and vary only in application. When using high power for boring and engraving, the NG-YAG laser is the one to be used, and also the CO2 laser, and Nd-YAG is being used for welding. Nowadays, DC designs require electrodes inside the cavity, and they can encounter electrode erosion and plating of electrode materials on the glassware and optics, and for that the RF resonators has the external electrodes so it is not inclined to those problems. CO2 laser are being used for some industrial cutting of lots of materials, such as stainless steel, aluminum, paper, wax, plastics, wood, fabrics, and steel, while the Nd-YAG lasers are mostly used for cutting and marking metals as well as ceramic materials.
Laser cutting works accurately and there are some ways or methods in cutting in different types of material when you are using the lasers. And the methods are vaporization cutting, it is focus beam heats and the surface of the materials to boiling point and generates a keyhole, and the keyhole will quickly increase in absorption thereby deepening the hole. Melt and Blow is also one of the methods, melt and blow uses in high-pressure gas to blow molten material from the cutting area, and impressively decreasing the need power. Another method is thermal stress; the brittle materials are particularly sensitive to thermal fracture, a feature exploited in thermals stress cracking.
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